Table 1. — Number and type of tags and marks applied oa American shad, Alosa sapidisslma (Wilson), and striped bass, Roccus saxatilie (Walbaum), 

 in the different states by the Bureau of Commercial Fisheries Biological Laboratory, Beaufort, N. C. , and cooperative agencies, 1950-65 



Table 2. — Description of the tags and marks used, and methods of applying them, on American shad, Alosa sapidisslma (Wilson), and striped bass, 

 Roccus saxatlllB (Walbaum), by the Bureau of Coranercial Flsheriea Biological laboratory, Beaufort, N. C. , and cooperative agencies, 1950-65 



Type of tag or mark 



Attachment 



Petersen tag 

 Nylon streamer tag 



Spaghetti tag 



Jaw ring tag 



Strap tag 



Belly (internal) tag 

 Sonic tag 



Pin- clip 



Through dorsum by a atalnless steel 

 or nickel plo 



Through dorsum by a 7-inch carpet 

 needle having a notched eye 



Through dorsum by a solid pointed 

 hollow needle 7 inches long and 0.12 

 Inch in diameter 



Around mandible by special pliers 



Clanped on gill cover by special 

 pliers 



Into body cavity through narrow 

 incision in abdominal wall 



Through dorsum by plastic strap and 

 stainless steel pin 



Right pelvic fin by small surgical 

 scissors 



1. Two 7/16-inch diameter red plastic discs 0.037 inch thick, with 0.03B-inch diameter 

 hole. One disc was blank; the other bore an Identifying number on one side and an 

 address and reward notice on the other, 



2. A single plastic dlac (same as numbered disc for 1), or a plastic tag k inch wide 

 and 5/8 inch long to which a loop of nylon net twine was tied. After insertion, the 

 disc or tab was passed through the loop and tied by overhand knot, allowing tag to trail 

 along caudal peduncle. 



3. Single piece of white vinylite tubing 12 inches long, 0.0625-inch outside diameter. 

 Identifying number, address, and reward notice were painted by hand on its surface with 

 vinylite ink. After Insertion, the two ends were tied together in a figure-eight knot. 



U. A single plastic disc (same as numbered disc for 1 and 2), attached to either a 3/4- 

 inch or 1-inch diameter stainless steel split ring. Size of fish determined ring 

 diameter. 



5. Noncorrosive metal strap, 2% inches long and 3/16 inch wide, with pointed end that 

 clamped through small slot in other end of strap. Identifying number and address 

 stamped on one side. 



6. Single red plastic rectangular tag, 3/4 Inch long, 3/16 Inch wide, and 0.0375 inch 

 thick. Identifying number and reward notice on one side and address on the other. 



7. Two transparent plastic toroid tags were used: (1) wt. 16 grams (dry weight), life 

 span of 4*5 days; and (2) wt. 20 grams (dry weight), life span of 12-13 days. Each 

 emits 2-5 pulse per second signal at 158 kilocycles when activated. Monitors with tape 

 recorders have 2,500-foot tracking range. 



8. Fin clipped at separation of radial bones and dermal fin rays. 



